MARC 774 Constituent Unit Entry: Difference between revisions

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MARC field 774 in the Bibliographic format contains information about a constituent unit associated with a larger bibliographic unit. It is used in the parent record, with reciprocal [[MARC 773 Host Item Entry|773 fields]] in the child (or analytic) records containing information about the larger bibliographic unit.
As of September 4, 2017, Hamnet is set up so that a non-displaying 774 generates a list of contents (up to three records) or a link to a separate page of contents (if more than three records) based on an exact match between the text in the 774‡o of the main record and the text of the 773‡t of the target records. See http://hamnet.folger.edu/cgi-bin/Pwebrecon.cgi?BBID=94535 for example.
 
==Commonly-used tags==
'''Indicators'''<br>
1st indicator – Note controller <br>
0 - Display note
1 - Do not display note
2nd indicator – Display constant controller
# - Constituent unit
8 - No display constant generated
 
'''Subfield delimiters'''<br>
ǂa - Main entry heading
ǂb - Edition
ǂd - Place, publisher, and date of publication
ǂg - Related parts
ǂh - Physical description
ǂi - Relationship information
ǂn - Note
ǂo - Other item identifier
ǂt - Title
ǂw - Record control number
 
==Policy and formulation==
* Routinely add a 774 when cataloging a component item that is part of a larger bibliographic unit. Examples: a supplemental issue of a journal, a single porcelain from the Babette Craven collection, a print from a book that is being cataloged as an in-analytic record.
* Voyager generates an embedded "Related items" list into a record based on the contents of the 774 ‡o. There are two options:
** Add the BIB ID - without a prefix, unlike the ‡w - of a target record.
‡t British theater (1808) ‡g vol. 11 ‡o 67409 ‡w (DFo)67409
** Add the exact text string found in the [[MARC 773 Host Item Entry|773]] ‡t of a target record. (In the example below, all Craven collection items have a reciprocal 773 ‡t Babette Craven collection of theatrical memorabilia.)
‡n Records for items in the collection all have a 773 ‡t with the title: ‡o Babette Craven collection of theatrical memorabilia
 
==Searching==
* If the field contains a ‡t, that text string will be included in any Title search in [[Hamnet]].
* Otherwise, the field is not searchable in Hamnet or [[Voyager ILS|Voyager]].
 
==Voyager configuration==
As of December 5, 2017, Hamnet is set up so that a non-displaying 774 generates a list of contents (up to three records) or a link to a separate page of contents (if more than three records) based on any of the folllowing:
* an exact match between the text string in the 774‡o of the main record and the text string of the 773‡t of the target records (see http://hamnet.folger.edu/cgi-bin/Pwebrecon.cgi?BBID=94535 for example)
* 774$o's in the main record that each contain the Bib ID of a target record
 
==Examples==
<pre></pre>
 
<pre></pre>
 
==External links==
*[https://www.loc.gov/marc/bibliographic/bd774.html MARC 774 Tag]
*[https://www.oclc.org/bibformats/en/7xx/774.html OCLC  MARC 774 Tag]
 
[[Category: Cataloging]]
[[Category: Staff policies and procedures]]
[[Category: MARC]]

Latest revision as of 17:48, 29 August 2018

MARC field 774 in the Bibliographic format contains information about a constituent unit associated with a larger bibliographic unit. It is used in the parent record, with reciprocal 773 fields in the child (or analytic) records containing information about the larger bibliographic unit.

Commonly-used tags

Indicators
1st indicator – Note controller 

0 - Display note
1 - Do not display note

2nd indicator – Display constant controller 

# - Constituent unit
8 - No display constant generated

Subfield delimiters

ǂa - Main entry heading
ǂb - Edition 
ǂd - Place, publisher, and date of publication
ǂg - Related parts
ǂh - Physical description
ǂi - Relationship information
ǂn - Note
ǂo - Other item identifier
ǂt - Title
ǂw - Record control number

Policy and formulation

  • Routinely add a 774 when cataloging a component item that is part of a larger bibliographic unit. Examples: a supplemental issue of a journal, a single porcelain from the Babette Craven collection, a print from a book that is being cataloged as an in-analytic record.
  • Voyager generates an embedded "Related items" list into a record based on the contents of the 774 ‡o. There are two options:
    • Add the BIB ID - without a prefix, unlike the ‡w - of a target record.
‡t British theater (1808) ‡g vol. 11 ‡o 67409 ‡w (DFo)67409
    • Add the exact text string found in the 773 ‡t of a target record. (In the example below, all Craven collection items have a reciprocal 773 ‡t Babette Craven collection of theatrical memorabilia.)
‡n Records for items in the collection all have a 773 ‡t with the title: ‡o Babette Craven collection of theatrical memorabilia

Searching

  • If the field contains a ‡t, that text string will be included in any Title search in Hamnet.
  • Otherwise, the field is not searchable in Hamnet or Voyager.

Voyager configuration

As of December 5, 2017, Hamnet is set up so that a non-displaying 774 generates a list of contents (up to three records) or a link to a separate page of contents (if more than three records) based on any of the folllowing:

Examples





External links